Wednesday, October 2, 2019

Dimension Overall - onenote lbm


---Date Modeling Techniques


---Datawarehouse Lifecycle Planning toolkit

---- Naming Convention - list of abbreviations(From Kimball reference)

---- Kimball Reference for documents related to building a Datawarehouse

Data Warehouse3 toolkit by Ralph Kimball


Data warehousing Methodologies



Types of Dimensions

Rapidly Changing Dimensions



Datawarehouse 2.0 by Bill Inmon


Various Data models CSU



DW fundamentals with good examples of ODS




---HR Model Very good example









Financial DataModels / Universal Datamodels




Product Hierarchy

Product Hierarchy  Subject Area Data Model for KeyTec (Netherlands)




Geogrpahy Hierarchy




---- Invoice Header







category 
type 
description 
brand 
product 
VAT 
nation 
size 
diet 
quarter 
week 
state 
sales district 
address 
city 
customer 
agent 
O 
ordering 
INVOICE LINE 
quantity 
unit price (AVG) 
net amount 
VAT 
total amount 
discount 
year 
cider 
date 
month 
four-month period


Address in Datawarehouse








Many to Many Facts examples









How to load Fact Tables





Temporal Modeling





Google Search : what is a key of a fact table in a data warehouse






----Multiple Models

---Kimball Books on Datawarehouse Designs





Surrogate Key reference


Surrogate Key as Primary Key




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